Foto: "<a href="https://ccnull.de/foto/seagull-standing-in-the-famous-uss-pampanito-submarine/1010429" target="_blank">Seagull standing in the famous USS Pampanito submarine</a>" von <a href="https://ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/29652399147/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>